Arrow Ballistics Calculator
Arrow weight is in grains
Velocity in feet per second
Draw weight in pounds
Zero Distance in yards up to 40
Trajectory is inches from line of sight
All fields must be entered
Momentum units are not standard ns
Divide by 32 for standard.
Velocity estimate assumes equal kinetic energy for each arrow weight. KE will actually increase slightly as arrow weight
increases as bows are more efficient as arrow weight increases.
The KE/DW factor (kinetic energy/draw weight) is useful for comparing bows and checking your numbers. Based on published tests the approximate KE/DW
factor for various designs are listed. If your KE/DW varies significantly then there is probably error in one or more of your numbers.
Fast recurve/ACS  73 
Modern recurve  70 
Radical R/D longbow  68 
R/D longbow/Old recurve  66 
Mild R/D longbow  64 
Straight limb longbow  61 
For questions or problems or if you would like to suggest changes email mike@outdoorsden.com Happy shooting Mike


